EP 0009160 A1 19800402 - High efficiency catalyst for polymerizing olefins, and the use thereof.

Title (en)

High efficiency catalyst for polymerizing olefins, and the use thereof.

Title (de)

Katalysator mit hoher Wirksamkeit für die Polymerisation von Olefinen und dessen Verwendung.

Title (fr)

Catalyseur à efficacité élevée pour la polymérisation d'oléfines et son utilisation.

Publication

EP 0009160 A1 19800402 (EN)

Application

EP 79103250 A 19790903

Priority

US 93963878 A 19780905
US 93963978 A 19780905

Abstract (en)

Catalyst compositions exhibiting high activity for the polymerization of alpha -olefins are prepared by reacting (A) tetravalent or trivalent titanium compounds such as a titanium tetraalkoxide, (B) an anhydrous nickel compound such as nickel chloride, (C) an organomagnesium component such as a hydrocarbon soluble complex of dialkyl magnesium and an alkyl aluminum, (D) a halide source such as a hydrogen halide or an alkyl aluminum halide, and (E) an alkyl aluminum halide if not otherwise provided. Polymerization processes employing this catalyst composition do not require subsequent catalyst removal steps and the resulting polymers have broader molecular weight distributions than do corresponding polymers prepared without the added anhydrous nickel compound.

IPC 1-7

C08F 10/00; C08F 4/64

IPC 8 full level

C08F 10/00 (2006.01)

CPC (source: EP)

C08F 10/00 (2013.01); C08F 2410/04 (2013.01)

Citation (search report)

[A] GB 1500873 A 19780215 - DOW CHEMICAL CO
[A] GB 1492379 A 19771116 - DOW CHEMICAL CO
[A] GB 837251 A 19600609 - PETROCHEMICALS LTD
[A] GB 1258880 A 19711230
[A] GB 1264416 A 19720223
[A] CHEMICAL ABSTRACTS, vol. 78, no. 22, June 4, 1973, abstract 137085m, Columbus, Ohio, USA, & JP-A-7123117 (ASAHI CHEMICAL INDUSTRY), published 22 November 1972.

Designated contracting state (EPC)

BE DE FR GB IT NL SE

DOCDB simple family (publication)

EP 0009160 A1 19800402; EP 0009160 B1 19840307; AU 5042379 A 19800313; AU 527557 B2 19830310; CA 1132125 A 19820921; DE 2966754 D1 19840412; ES 483923 A1 19801001; NO 792851 L 19800306

DOCDB simple family (application)

EP 79103250 A 19790903; AU 5042379 A 19790830; CA 334367 A 19790823; DE 2966754 T 19790903; ES 483923 A 19790905; NO 792851 A 19790904